/Engine/Plugins/Runtime/GeometryProcessing/Source/DynamicMesh/Public/Parameterization/MeshRegionGraph.h
An integer ID can be associated with each Region using the ExternalIDFunc passed to the various Build() functions.
class FMeshRegionGraph
TArray< int32 >
EmptyTriSet
TArray<FRegion...
Regions
TArray<FIndex3...
TriangleNbrTris
TArray< int32 >
TriangleToRegionMap